Example: air traffic controller
HC-05 Bluetooth Module - GM e
TXD UART_TXD, Bluetooth serial signal sending PIN Connect with the MCU’s (Microcontroller and etc) RXD PIN. RXD UART_RXD, Bluetooth serial signal receiving PIN Connect with the MCU’s (Microcontroller and etc) TXD PIN. KEY Mode switch input If it is input low level or connect to the air, the module is at paired or communication mode.
Download HC-05 Bluetooth Module - GM e
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